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In Trinidad and Tobago, there is only one time zone in use: Atlantic Standard Time, AST (UTC-04). Time in Trinidad and Tobago does not change because it does not observe Daylight Saving Time.
For comparing the current time in Trinidad and Tobago and United Kingdom or any other country combination, visit time comparison. For an introduction to UTC and world time, read UTC by country. Time changes in Trinidad and Tobago are shown below by city, state or region.
| Regions | Standard Time | Daylight Saving Time | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time zone | 2025 | 2026 | 2027 | Time zone | 2025 | 2026 | 2027 | |||
| Atlantic Standard Time AST (UTC-04) | UTC-04 all year long | No Daylight Saving Time | |||||||
The information in this page comes from data published in the Time Zone Database managed by the Internet Assigned Numbers Authority (IANA).
| Year | Time zone Abbreviation | UTC Offset | Time zone Name | Daylight Saving Time | Begins (local time) |
|---|---|---|---|---|---|
| 1945 | AST | UTC-04 | Atlantic Standard Time | no | Sunday, September 30 1945, 02:00 AM |
| 1945 | APT | UTC-03 | yes | Tuesday, August 14 1945, 08:00 PM | |
| 1942 | AWT | UTC-03 | yes | Sunday, May 3 1942, 12:00 AM | |
| 1899 | AST | UTC-04 | Atlantic Standard Time | no | Tuesday, March 28 1899, 12:00 PM |